diff --git a/contrib/templates/default/frontpage.mustache b/contrib/templates/default/frontpage.mustache
index 8e58443..4eefe6a 100644
--- a/contrib/templates/default/frontpage.mustache
+++ b/contrib/templates/default/frontpage.mustache
@@ -77,7 +77,7 @@
     <script src="{{prefix}}static/nntpchan.js" type="text/javascript">
       document.onload = function() {
         var e = document.getElementById("nntpchan_banner");
-        nntpchan_inject_banners(e, "{{board.Prefix}}");
+        nntpchan_inject_banners(e, "{{prefix}}");
       }
     </script>
 
diff --git a/contrib/templates/default/thread.mustache b/contrib/templates/default/thread.mustache
index 4d15b4c..04e2783 100644
--- a/contrib/templates/default/thread.mustache
+++ b/contrib/templates/default/thread.mustache
@@ -43,10 +43,10 @@
       {{/ thread.Replies}}
     </div>
     <br/>
-      <script src="{{prefix}}static/nntpchan.js" type="text/javascript">
+      <script src="{{thread.Prefix}}static/nntpchan.js" type="text/javascript">
         document.onload = function() {
           var e = document.getElementById("nntpchan_banner");
-          nntpchan_inject_banners(e, "{{board.Prefix}}");
+          nntpchan_inject_banners(e, "{{thread.Prefix}}");
         }
       </script>
 
diff --git a/contrib/templates/default/ukko.mustache b/contrib/templates/default/ukko.mustache
index b419563..4a151d5 100644
--- a/contrib/templates/default/ukko.mustache
+++ b/contrib/templates/default/ukko.mustache
@@ -36,7 +36,7 @@
       <script type="text/javascript" src="{{prefix}}static/nntpchan.js">
         document.onload = function() {
           var e = document.getElementById("nntpchan_banner");
-          nntpchan_inject_banners(e, "{{board.Prefix}}");
+          nntpchan_inject_banners(e, "{{prefix}}");
         }
     </script>
   </body>